Product · KEV exposure
Apache Tomcat known exploited vulnerabilities
We track 6 CVEs in Apache Tomcat. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2022–2026). CISA flags 1 of them as used in ransomware campaigns. The most recent is CVE-2026-34486, added to KEV on .
- CVEs tracked
- 6
- On CISA KEV
- 6
- Ransomware use
- 1
- Rated critical
- 3
Every Apache Tomcat CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Vulnerability | [ HIGH ] | 7.5 | 6.6% | ||
| CVE-2025-24813 Apache Tomcat Path Equivalence Vulnerability | [ CRITICAL ] | 9.8 | 99.9% | ||
| CVE-2016-8735 Apache Tomcat Remote Code Execution Vulnerability | [ CRITICAL ] | 9.8 | 90.3% | ||
| CVE-2017-12617 Apache Tomcat Remote Code Execution Vulnerability | [ HIGH ] | 8.1 | 100.0% | ||
| CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Vulnerabilityransomware use | [ HIGH ] | 8.1 | 99.6% | ||
| CVE-2020-1938 Apache Tomcat Improper Privilege Management Vulnerability | [ CRITICAL ] | 9.8 | 99.3% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/apache.json.
Our Apache Tomcat coverage
Other Apache products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.